Home / 109,058.48-163,471.08-49,805.36

Finding the Fourth Proportional to 109,058.48, 163,471.08 and 49,805.36

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Solution

The fourth proportional to 109,058.48, 163,471.08 and 49,805.36 is: 74,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058.48 : 163,471.08 = 49,805.36 : x
  2. Step 2: Convert to fraction form
    109,058.48/163,471.08 = 49,805.36/x
  3. Step 3: Cross multiply
    109,058.48x = 163,471.08 × 49,805.36
  4. Step 4: Simplify right side
    109,058.48x = 8,141,735,988.99
  5. Step 5: Solve for x
    x = 8,141,735,988.99/109,058.48
  6. Step 6: Final answer
    x = 74,654.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.